//
//  RKNavigationController.swift
//  RKWeibo
//
//  Created by Rick on 2017/3/2.
//  Copyright © 2017年 Ricky. All rights reserved.
//

import UIKit

class RKNavigationController: UINavigationController {

    override func viewDidLoad() {
        super.viewDidLoad()
        navigationBar.isHidden = true
    }
    
    override func pushViewController(_ viewController: UIViewController, animated: Bool) {
        print(#function)
        if childViewControllers.count > 0{
            viewController.hidesBottomBarWhenPushed = true
            
            if let vc = viewController as? RKBaseController{
                
                var title  = "返回"
                if childViewControllers.count == 1{
                    title = childViewControllers.first?.title ?? "返回"
                }
                vc.navItem.leftBarButtonItem = UIBarButtonItem(title: title, target: self, action: #selector(pop),isBackArrow:true)
            }
        }
        super.pushViewController(viewController, animated: animated)
    }
    
    @objc private func pop(){
        popViewController(animated: true)
    }
}
